<template>
  <div id="app">
    <router-view v-if="isRouterAlive"></router-view>
  </div>
</template>

<script>

  export default {
    name: 'App',
    provide(){
      return {reload: this.reload}
    },
    data(){
      return {isRouterAlive: true}
    },
    methods: {
      saveState() {
        sessionStorage.setItem('state', JSON.stringify(this.$store.state))
      },
      reload(){
        this.isRouterAlive = false
        this.$nextTick(() =>{this.isRouterAlive = true})
      }
    },
    mounted() {
      window.addEventListener('unload', this.saveState);
    }
  }
</script>

<style scoped>
  #app {
    font-family: 'Avenir', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: center;
    color: #2c3e50;
    /*margin-top: 60px;*/
  }
</style>
